Move prefetch() out of TT

[stockfish] / src / position.cpp

diff --git a/src/position.cpp b/src/position.cpp
index 3cf0016b783c57e1070e8b8b4ad08ce9d2a067ad..a069cf404be6d012a7ac129c4386b0c3a1721586 100644 (file)
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -772,7 +772,7 @@ void Position::do_move(Move m, StateInfo& newSt, const CheckInfo& ci, bool moveI
   }
 
   // Prefetch TT access as soon as we know key is updated
   }
 
   // Prefetch TT access as soon as we know key is updated

-  TT.prefetch(key);
+  prefetch((char*)TT.first_entry(key));

 
   // Move the piece
   Bitboard move_bb = make_move_bb(from, to);
 
   // Move the piece
   Bitboard move_bb = make_move_bb(from, to);


@@ -1250,7 +1250,7 @@ void Position::do_null_move(StateInfo& backupSt) {
       st->key ^= zobEp[st->epSquare];
 
   st->key ^= zobSideToMove;
       st->key ^= zobEp[st->epSquare];
 
   st->key ^= zobSideToMove;

-  TT.prefetch(st->key);
+  prefetch((char*)TT.first_entry(st->key));

 
   sideToMove = opposite_color(sideToMove);
   st->epSquare = SQ_NONE;
 
   sideToMove = opposite_color(sideToMove);
   st->epSquare = SQ_NONE;